Sheeza Basharatabout 1 year ago

 Cross-section of an umbilical cord

There are normally two arteries and one vein in the human umbilical cord. The umbilical cord contains Wharton's jelly, a gelatinous substance made largely from mucopolysaccharides that protects the blood vessels inside. It contains one vein, which carries oxygenated, nutrient-rich blood to the fetus, and two arteries that carry deoxygenated, nutrient-depleted blood away By: https://www.instagram.com/p/CZSPbd4sK4k/?utm_medium=copy_link